WO1994017372A1 - Fluid flow meter - Google Patents
Fluid flow meter Download PDFInfo
- Publication number
- WO1994017372A1 WO1994017372A1 PCT/GB1994/000157 GB9400157W WO9417372A1 WO 1994017372 A1 WO1994017372 A1 WO 1994017372A1 GB 9400157 W GB9400157 W GB 9400157W WO 9417372 A1 WO9417372 A1 WO 9417372A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow
- fluid
- fluid flow
- transducers
- passages
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 description 8
- 230000010363 phase shift Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000002592 echocardiography Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
- G01F1/668—Compensating or correcting for variations in velocity of sound
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
- G01P5/248—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves by measuring phase differences
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL94310051A PL173732B1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
DE69417543T DE69417543T2 (en) | 1993-01-30 | 1994-01-27 | LIQUID FLOW METER |
EP94904726A EP0681685B1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
US08/492,058 US5777237A (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
KR1019950703010A KR100311855B1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
AU58650/94A AU678807B2 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
JP51683194A JP3283519B2 (en) | 1993-01-30 | 1994-01-27 | Flowmeter |
SK959-95A SK95995A3 (en) | 1993-01-30 | 1994-01-27 | Flow indicator |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB939301873A GB9301873D0 (en) | 1993-01-30 | 1993-01-30 | Method and apparatus for fluid flow metering |
GB9301873.7 | 1993-01-30 | ||
GB9316001.8 | 1993-08-02 | ||
GB9316001A GB2275108A (en) | 1993-01-30 | 1993-08-02 | Fluid flow meter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994017372A1 true WO1994017372A1 (en) | 1994-08-04 |
Family
ID=26302363
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1994/000156 WO1994017371A1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
PCT/GB1994/000157 WO1994017372A1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1994/000156 WO1994017371A1 (en) | 1993-01-30 | 1994-01-27 | Fluid flow meter |
Country Status (13)
Country | Link |
---|---|
US (2) | US5777237A (en) |
EP (2) | EP0681685B1 (en) |
JP (1) | JP3283519B2 (en) |
CN (1) | CN1116877A (en) |
AU (2) | AU5864994A (en) |
CZ (1) | CZ188195A3 (en) |
DE (2) | DE69417543T2 (en) |
ES (1) | ES2131672T3 (en) |
FR (4) | FR2701111A1 (en) |
HU (1) | HUT73364A (en) |
PL (1) | PL173732B1 (en) |
SK (1) | SK95995A3 (en) |
WO (2) | WO1994017371A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997047950A1 (en) * | 1996-06-07 | 1997-12-18 | G. Kromschröder Aktiengesellschaft | Flowmeter |
US5907099A (en) * | 1994-08-23 | 1999-05-25 | Schlumberger Industries, S.A. | Ultrasonic device with enhanced acoustic properties for measuring a volume amount of fluid |
US6338277B1 (en) | 1997-06-06 | 2002-01-15 | G. Kromschroder Aktiengesellschaft | Flowmeter for attenuating acoustic propagations |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5969263A (en) * | 1995-04-08 | 1999-10-19 | Schlumberger Industries, S.A. | Ultrasonic fluid counter for attenuating parasitic ultrasonic waves |
JP3175632B2 (en) * | 1997-04-18 | 2001-06-11 | 松下電器産業株式会社 | Scene change detection method and scene change detection device |
US6382033B1 (en) * | 1997-10-09 | 2002-05-07 | Krohne Mebtechnik Gmbh & Co. Kg | Sound damper for ultrasonic waves |
DE19857963A1 (en) * | 1998-12-16 | 2000-06-21 | Bayer Ag | Agrochemical formulations |
US6644129B1 (en) * | 1999-05-17 | 2003-11-11 | Matsushita Electric Co., Ltd. | Flow rate measurement apparatus |
DK199901477A (en) * | 1999-10-14 | 2001-04-15 | Danfoss As | Transmission and reception circuits for ultrasonic flow meters |
JP3570315B2 (en) * | 1999-12-07 | 2004-09-29 | 株式会社村田製作所 | Ultrasonic flow meter and gas meter using it |
US6854338B2 (en) * | 2000-07-14 | 2005-02-15 | The Board Of Trustees Of The Leland Stanford Junior University | Fluidic device with integrated capacitive micromachined ultrasonic transducers |
EP1279368A3 (en) * | 2001-07-17 | 2004-09-15 | ndd Medizintechnik AG | Device for measuring the flow velocity and/or molecular mass of gases ou gasmixtures |
DK200101581A (en) | 2001-10-26 | 2003-04-27 | Danfoss As | Transceiver circuit for ultrasonic flow meter |
KR100694937B1 (en) * | 2003-02-24 | 2007-03-14 | 마츠시타 덴끼 산교 가부시키가이샤 | Ultrasonic type fluid measuring device |
JP4186645B2 (en) * | 2003-02-24 | 2008-11-26 | 松下電器産業株式会社 | Ultrasonic flow measuring device |
JP4604520B2 (en) * | 2004-03-10 | 2011-01-05 | パナソニック株式会社 | Flow measuring device |
DE102004026556B3 (en) * | 2004-05-27 | 2006-01-12 | Krohne Ag | Transmitting and receiving circuit for a Ultraschalldurchflußmeßgerät and method for operating such a transmitting and receiving circuit |
DE102005015456A1 (en) * | 2005-04-04 | 2006-10-05 | Viasys Healthcare Gmbh | Wave packet`s temporal position determining method for e.g. spirometer, involves computing sum of product as product from value of comparison function and measurement value, and computing temporal position from sum of product |
US7152490B1 (en) | 2005-08-15 | 2006-12-26 | Daniel Measurement And Control, Inc. | Methods for determining transducer delay time and transducer separation in ultrasonic flow meters |
DE102007020491A1 (en) * | 2007-04-27 | 2008-10-30 | Hydrometer Gmbh | Method for determining a property of a flowing medium and ultrasonic meters |
US8135245B2 (en) * | 2008-12-05 | 2012-03-13 | General Electric Company | Fiber optic sensing system |
US8181536B2 (en) * | 2009-12-19 | 2012-05-22 | Cameron International Corporation | Ultrasonic Flow Meter including a transducer having conical face |
CN101806605A (en) * | 2010-04-16 | 2010-08-18 | 山东万华电子信息科技有限公司 | Parallel counter-ejection type ultrasonic flow sensor |
US7954387B1 (en) * | 2010-08-18 | 2011-06-07 | General Electric Company | Ultrasonic transducer device |
EP2633275B1 (en) | 2010-10-27 | 2015-12-16 | Kamstrup A/S | Ultrasonic flow meter with zero impedance measuring electronics |
TW201219780A (en) * | 2010-11-12 | 2012-05-16 | Tatung Co | Ultrasonic gas flow measurement device |
US20140069207A1 (en) | 2011-03-18 | 2014-03-13 | Soneter, LLC | Methods and apparatus for fluid flow measurement |
WO2012137489A1 (en) * | 2011-04-05 | 2012-10-11 | パナソニック株式会社 | Ultrasonic flow rate measurement device |
US8505391B1 (en) * | 2012-03-30 | 2013-08-13 | Joseph Baumoel | Flange mounted ultrasonic flowmeter |
CN102778263B (en) * | 2012-08-10 | 2014-05-14 | 深圳市建恒测控股份有限公司 | Axial outer clamping type sensing device |
US9494454B2 (en) | 2013-12-06 | 2016-11-15 | Joseph Baumoel | Phase controlled variable angle ultrasonic flow meter |
US9310236B2 (en) | 2014-09-17 | 2016-04-12 | Joseph Baumoel | Ultrasonic flow meter using reflected beams |
US10281303B2 (en) * | 2015-03-23 | 2019-05-07 | Rosemount Aerospace, Inc. | Air data probe with improved performance at angle of attack operation |
US9752907B2 (en) | 2015-04-14 | 2017-09-05 | Joseph Baumoel | Phase controlled variable angle ultrasonic flow meter |
GB2558473B (en) * | 2015-09-14 | 2021-12-22 | Cameron Tech Ltd | Flow meter system |
US10006791B2 (en) | 2015-09-23 | 2018-06-26 | Texas Instruments Incorporated | Ultrasonic flow meter auto-tuning for reciprocal operation of the meter |
US11415442B2 (en) * | 2020-10-30 | 2022-08-16 | Honeywell International Inc. | Ultrasonic flow tube having a plurality of outer pipes surrounding a center pipe positioned between an inlet wall and an outlet wall having transducers therein |
US20220373372A1 (en) * | 2021-05-19 | 2022-11-24 | Honeywell International Inc. | Fluid sensor for bubble and occlusion detection |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365518A (en) * | 1981-02-23 | 1982-12-28 | Mapco, Inc. | Flow straighteners in axial flowmeters |
EP0249689A1 (en) * | 1986-06-17 | 1987-12-23 | Landis & Gyr Betriebs AG | Sensor for the determination of the flow of a flowing fluid |
GB2209217A (en) * | 1987-08-28 | 1989-05-04 | Gen Electric Co Plc | An ultrasonic fluid flow meter |
GB2209216A (en) * | 1987-08-28 | 1989-05-04 | Gen Electric Co Plc | Ultrasonic flowmeter combined with a pressure sensor |
EP0347096A2 (en) * | 1988-06-09 | 1989-12-20 | British Gas plc | A speed measurement device |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3817098A (en) * | 1972-08-09 | 1974-06-18 | Saratoga Systems | Axial fluid flow and sound speed |
DE2963483D1 (en) * | 1978-07-22 | 1982-09-30 | Robert James Redding | Fluid flow measuring apparatus |
DE3025788C2 (en) * | 1980-07-08 | 1985-07-04 | Danfoss A/S, Nordborg | Ultrasonic measuring device |
US4365541A (en) * | 1980-12-12 | 1982-12-28 | Caterpillar Tractor Co. | Filter arrangement for an air circulatory system |
IT1144295B (en) * | 1981-07-10 | 1986-10-29 | Fiat Ricerche | ULTRASONIC DEVICE FOR MEASURING THE FLOW RATE OF A FLUID IN A DUCT |
US4523478A (en) * | 1983-08-18 | 1985-06-18 | Nusonics, Inc. | Sonic flow meter having improved flow straighteners |
CH666549A5 (en) * | 1985-01-02 | 1988-07-29 | Landis & Gyr Ag | Temp. dependent measurement of average liq. flow speed |
US4633719A (en) * | 1985-03-27 | 1987-01-06 | Badger Meter, Inc. | Digital flow meter circuit and method for measuring flow |
DE3704472A1 (en) * | 1987-02-13 | 1988-08-25 | Standard Elektrik Lorenz Ag | Measuring device for measuring relative speed |
US5168762A (en) * | 1988-06-09 | 1992-12-08 | British Gas Plc | Speed measurement device |
DE59100815D1 (en) * | 1991-02-08 | 1994-02-17 | Flowtec Ag | Operating circuit for ultrasonic volume flow meters. |
DE4114650A1 (en) * | 1991-05-05 | 1992-11-12 | Krieg Gunther | METHOD AND DEVICE FOR MEASURING VOLUME FLOWS IN LIQUIDS AND GASES |
GB9119742D0 (en) * | 1991-09-16 | 1991-10-30 | British Gas Plc | Measurement system |
FR2683046B1 (en) * | 1991-10-25 | 1994-02-04 | Schlumberger Industries | DEVICE FOR MEASURING THE SPEED OF A FLUID. |
WO1994009342A1 (en) * | 1992-10-20 | 1994-04-28 | Endress + Hauser Limited | Acoustic flowmeter |
-
1994
- 1994-01-27 DE DE69417543T patent/DE69417543T2/en not_active Expired - Lifetime
- 1994-01-27 SK SK959-95A patent/SK95995A3/en unknown
- 1994-01-27 CZ CZ951881A patent/CZ188195A3/en unknown
- 1994-01-27 CN CN94191014.8A patent/CN1116877A/en active Pending
- 1994-01-27 AU AU58649/94A patent/AU5864994A/en not_active Abandoned
- 1994-01-27 AU AU58650/94A patent/AU678807B2/en not_active Ceased
- 1994-01-27 WO PCT/GB1994/000156 patent/WO1994017371A1/en active IP Right Grant
- 1994-01-27 EP EP94904726A patent/EP0681685B1/en not_active Expired - Lifetime
- 1994-01-27 ES ES94904726T patent/ES2131672T3/en not_active Expired - Lifetime
- 1994-01-27 EP EP94904725A patent/EP0681684B1/en not_active Expired - Lifetime
- 1994-01-27 US US08/492,058 patent/US5777237A/en not_active Expired - Fee Related
- 1994-01-27 HU HU9502264A patent/HUT73364A/en unknown
- 1994-01-27 WO PCT/GB1994/000157 patent/WO1994017372A1/en not_active Application Discontinuation
- 1994-01-27 DE DE69402534T patent/DE69402534T2/en not_active Expired - Lifetime
- 1994-01-27 JP JP51683194A patent/JP3283519B2/en not_active Expired - Fee Related
- 1994-01-27 PL PL94310051A patent/PL173732B1/en unknown
- 1994-01-28 FR FR9400949A patent/FR2701111A1/en active Pending
- 1994-12-13 FR FR9414991A patent/FR2713763A1/en active Pending
- 1994-12-13 FR FR9414990A patent/FR2713762A1/en active Pending
- 1994-12-13 FR FR9414989A patent/FR2713761B1/en not_active Expired - Fee Related
-
1996
- 1996-10-03 US US08/725,536 patent/US5811689A/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4365518A (en) * | 1981-02-23 | 1982-12-28 | Mapco, Inc. | Flow straighteners in axial flowmeters |
EP0249689A1 (en) * | 1986-06-17 | 1987-12-23 | Landis & Gyr Betriebs AG | Sensor for the determination of the flow of a flowing fluid |
GB2209217A (en) * | 1987-08-28 | 1989-05-04 | Gen Electric Co Plc | An ultrasonic fluid flow meter |
GB2209216A (en) * | 1987-08-28 | 1989-05-04 | Gen Electric Co Plc | Ultrasonic flowmeter combined with a pressure sensor |
EP0347096A2 (en) * | 1988-06-09 | 1989-12-20 | British Gas plc | A speed measurement device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5907099A (en) * | 1994-08-23 | 1999-05-25 | Schlumberger Industries, S.A. | Ultrasonic device with enhanced acoustic properties for measuring a volume amount of fluid |
WO1997047950A1 (en) * | 1996-06-07 | 1997-12-18 | G. Kromschröder Aktiengesellschaft | Flowmeter |
US6338277B1 (en) | 1997-06-06 | 2002-01-15 | G. Kromschroder Aktiengesellschaft | Flowmeter for attenuating acoustic propagations |
Also Published As
Publication number | Publication date |
---|---|
FR2713762A1 (en) | 1995-06-16 |
US5777237A (en) | 1998-07-07 |
AU5865094A (en) | 1994-08-15 |
DE69417543T2 (en) | 1999-07-15 |
CN1116877A (en) | 1996-02-14 |
AU678807B2 (en) | 1997-06-12 |
DE69402534T2 (en) | 1998-04-23 |
ES2131672T3 (en) | 1999-08-01 |
EP0681684B1 (en) | 1997-04-09 |
JP3283519B2 (en) | 2002-05-20 |
SK95995A3 (en) | 1995-12-06 |
EP0681685B1 (en) | 1999-03-31 |
FR2713761B1 (en) | 1998-05-07 |
DE69402534D1 (en) | 1997-05-15 |
EP0681685A1 (en) | 1995-11-15 |
PL310051A1 (en) | 1995-11-13 |
CZ188195A3 (en) | 1996-04-17 |
DE69417543D1 (en) | 1999-05-06 |
US5811689A (en) | 1998-09-22 |
FR2713761A1 (en) | 1995-06-16 |
PL173732B1 (en) | 1998-04-30 |
JPH08512126A (en) | 1996-12-17 |
WO1994017371A1 (en) | 1994-08-04 |
FR2713763A1 (en) | 1995-06-16 |
HU9502264D0 (en) | 1995-09-28 |
EP0681684A1 (en) | 1995-11-15 |
HUT73364A (en) | 1996-07-29 |
FR2701111A1 (en) | 1994-08-05 |
AU5864994A (en) | 1994-08-15 |
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